Ultra-low-power with FlexPowerControl
1.71 V to 3.6 V power supply
-40 °C to 85/105/125 °C temperature range
300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
30 nA Shutdown mode (5 wakeup pins)
120 nA Standby mode (5 wakeup pins)
420 nA Standby mode with RTC
1.1 μA Stop 2 mode, 1.4 μA Stop 2 with RTC
100 μA/MHz run mode
Batch acquisition mode (BAM)
4 μs wakeup from Stop mode
Brown out reset (BOR) in all modes except shutdown
Interconnect matrix
Core: ARM® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions
Clock Sources
4 to 48 MHz crystal oscillator
32 kHz crystal oscillator for RTC (LSE)
Internal 16 MHz factory-trimmed RC (±1%)
Internal low-power 32 kHz RC (±5%)
Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy)
3 PLLs for system clock, USB, audio, ADC
RTC with HW calendar, alarms and calibration
LCD 8 × 40 or 4 × 44 with step-up converter
Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
Memories
Up to 1 MB Flash, 2 banks read-while-write, proprietary code readout protection
Up to 128 KB of SRAM including 32 KB with hardware parity check
External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories
Quad SPI memory interface
4x digital filters for sigma delta modulator
Rich analog peripherals (independent supply)
3× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
2x 12-bit DAC, low-power sample and hold
2x operational amplifiers with built-in PGA
2x ultra-low-power comparators
18x communication interfaces
USB OTG 2.0 full-speed, LPM and BCD
2x SAIs (serial audio interface)
3x I2C FM+(1 Mbit/s), SMBus/PMBus
6x USARTs (ISO 7816, LIN, IrDA, modem)
3x SPIs (4x SPIs with the Quad SPI)
CAN (2.0B Active) and SDMMC interface
SWPMI single wire protocol master I/F
14-channel DMA controller
True random number generator
CRC calculation unit, 96-bit unique ID
Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™